How to use "designed" in a sentence

They've designed special study programs," explained Palo.

"It seems that the pod is designed to change the way people think

This viewport was designed to withstand everything from a gunshot to an earthquake; it was virtually inviolable.

Elliot and Tina found what they needed in one of the gun shops: a set of twelve wilderness maps of the Sierras, designed with backpackers and hunters in mind

It was a passage about ten metres long, designed to reach the main drain on Putney Hill